CVE-2026-4953 mingSoft MCMS Editor Endpoint BaseAction.java catchImage server-side request forgery
Remote attackers can exploit a server-side request forgery vulnerability in the mingSoft MCMS editor endpoint to access internal resources.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-4953?
CVE-2026-4953 is a medium-severity server-side request forgery vulnerability in mingSoft MCMS, published on 27 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A weakness has been identified in mingSoft MCMS up to 5.5.0. This issue affects the function catchImage of the file net/mingsoft/cms/action/BaseAction.java of the component Editor Endpoint. Executing a manipulation of the argument catchimage can lead to server-side request forgery. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks.
Weakness: CWE-918
Which versions are affected by CVE-2026-4953?
How do I fix CVE-2026-4953?
No fix has been published for CVE-2026-4953 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-4953 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4953 exists.
Sources
Also known as GHSA-xmm3-9x39-98r5.